48+40 and 88-40
38+20 and 58-20
38+30 and 68-30
Answer:
2
Step-by-step explanation:
If we evaluate (-5y + 4) + (7y - 9), we get 2y - 5.
Therefore, N must equal 2.
(8046.72 meters) x (1 mile/1609.344 meters) = 5 miles .
Required probability = number of grade B' s in science / total
grades in science class
= 0.320
Answer:
A
Step-by-step explanation:
4x + 5 = 30 ( subtract 5 from both sides )
4x = 25 ( divide both sides by 4 )
x = 